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. 2017 Jan 6;7(2):466–481. doi: 10.7150/thno.17411

Figure 3.

Figure 3

CLSM micrographs of HeLa cells and U87MG cells treated with PBS for 4 h (A, I); FPPB NPs for 4 h (B, J); FPPBH6k NPs for 4 h (C, K); FPPBH31k NPs for 4 h (D, L); HA6k for 2 h followed by FPPBH6k NPs for 4 h (E, M); HA31k for 2 h followed by FPPBH31k NPs for 4 h (F, N), FPPBH6k NPs with external MF for 15 min followed by without external MF for 4 h (G, O); FPPBH31k NPs with external MF for 15 min followed by without external MF for 4 h (H, P). All these NPs have the iron concentration of 10 mg/L. Scale bar is 40 μm.